JNTU B.Tech IV NATURAL GAS PROCESSING Previous Question Paper (January/February - 2023 - R18)

Describe the types of Natural Gas Resources.

What is Hydraulic fracturing; explain the reason for which the chemicals to be added to fluids.

Define Physical absorption and adsorption.

Estimate water contents of natural gas at a pressure of 2,000 Pisa and temperatures of 40, 80, 120, 160, 200, and 240 0F.

Mention different types of Recovery processes.

Which type of distillation is used in nitrogen rejection unit?

State various methods used in Sulfur storage.

Write the short note on sweetening process.

Illustrate different types of LNG plants.

Briefly explain gas treating before liquefaction.

For a 0.65 specific gravity gas at 2500F, calculate and plot pseudo pressures in a pressure range from 14.7 Pisa and 8,000 Pisa. Under what condition is the pseudo pressure linearly proportional to pressure?

Explain the Overview of gas plant processing and describe the role of gas plants.

Define Compressibility Factor, and explain Nonconventional gas reserves in India.

Illustrate the Phase behavior of hydrocarbon systems and discuss Pressure–temperature phase diagram for multi-component system.

Illustrates the process and flow through a typical glycol dehydrator. With schematic flow diagram of a typical glycol dehydrator.

Describe the processes of Solvent absorption processes and its characteristics.

Classify various Membranes and illustrate briefly the processes of Non-regenerable hydrogen Sulfide scavengers.

Design a trayed-type glycol contactor for a field installation to meet the requirements (Gas flow: 12 MMscfd, SG: 0.75, Pressure: 900 psig, Temp: 90 0F, Outlet: 6 lb H2O/MMscf, Criteria: GWR = 3 gal TEG/lbm H2O).

State and explain BTEX. Discuss various methods presently used to control BTEX emissions to the atmosphere.

Illustrate the processes of lean oil absorption with the help of a flow chart.

Explain with flow scheme, various methods used for the removal of nitrogen from natural gas.

Briefly explain the cryogenic distillation process with a flow diagram.

Describe the Properties of sulfur, and classify them according to the method used for the production of Sulfur.

Discuss various type of fractionators and explain typical NGL products from a fractionation process.

Classify a typical (tail gas) sulfur recovery using an amine system with a flow chart.

Explain with a schematic flow chart of condensate processing and applications.

Discuss the Plant efficiency, Safety and environmental considerations of plants.

What type of units comprises in a typical LNG plant, explain it.

Illustrate the procedure and characterization of Regasification and cold utilization of LNG.

Explain in detail the process of generating underground-storage salt caverns by leaching with fresh water.